Eagle Microsystems LCWA-LO - Manual (Page 3)

LC-WA LO IB.doc
9/16/04
LOAD CELL VOLTAGE CHECK (WITH 15V EXCITATION)
BLACK TO WHITE: +7.5V (EXCITATION / 2)
BLACK TO GREEN: +7.5V (EXCITATION / 2)
BLACK TO RED: +15V
TC-SC TH-CM
RED TO BLACK 360 1050 Ω
GREEN TO WHITE 350 +/- 5 Ω 1000 +/- 15 Ω
RED, BLACK, GREEN,
WHITE, OR YELLOW
GREATER THAN 200
TO CASE MEGOHMS *
* Using a portable Ohm meter on highest range you should read infinity
LOAD CELL WIRING
BLK -EXT
GRN +SIG
RED +EXT
YEL SHLD
WHT -SIG
LOAD
CELL
LOAD CELL RESISTANCE CHECK
Ω
FIGURE 1
LOAD CELL OUTPUT
GREEN TO WHITE: LESS THEN +/- 5 MILLIVOLTS (NO DEAD LOAD)
LESS THEN 25 MILLIVOLTS (EXACT OUTPUT
VOLTAGE DEPENDS ON DEAD LOAD WEIGHT)